增加备案信息

frontend/src/features/listings/views/MobileHomeView.css

@@ -828,3 +828,35 @@
     height: 40px;
   }
 }
+
+/* ========== 页脚 ========== */
+.home-footer {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  padding: 16px 12px calc(16px + env(safe-area-inset-bottom));
+  color: #a0aab6;
+  font-size: 11px;
+  line-height: 1.6;
+  text-align: center;
+  flex-wrap: wrap;
+}
+
+.home-footer-icp {
+  color: #a0aab6;
+  text-decoration: none;
+  transition: color 0.2s;
+}
+
+.home-footer-icp:hover {
+  color: #5a6577;
+}
+
+.home-footer-divider {
+  color: #d0d6e0;
+}
+
+.home-footer-copyright {
+  color: #a0aab6;
+}

frontend/src/features/listings/views/MobileHomeView.vue

@@ -865,6 +865,17 @@ syncMobileHomeQuery()
       <van-icon name="arrow-up" :size="20" />
     </button>
 
+    <footer class="home-footer">
+      <a
+        href="https://beian.miit.gov.cn/"
+        target="_blank"
+        rel="noopener noreferrer"
+        class="home-footer-icp"
+      >湘ICP备2025146668号</a>
+      <span class="home-footer-divider">|</span>
+      <span class="home-footer-copyright">版权所有 ©2026 大锤网络游戏有限公司</span>
+    </footer>
+
     <MobileBottomNav />
   </main>
 </template>

frontend/src/layouts/AppLayout.vue

@@ -307,6 +307,19 @@ async function handleSupportClick() {
     <main class="pc-main">
       <slot />
     </main>
+
+    <footer class="pc-footer">
+      <div class="pc-footer-inner">
+        <a
+          href="https://beian.miit.gov.cn/"
+          target="_blank"
+          rel="noopener noreferrer"
+          class="pc-footer-icp"
+        >湘ICP备2025146668号</a>
+        <span class="pc-footer-divider">|</span>
+        <span class="pc-footer-copyright">版权所有 ©2026 大锤网络游戏有限公司</span>
+      </div>
+    </footer>
   </div>
 </template>
 
@@ -910,6 +923,44 @@ async function handleSupportClick() {
   overflow-x: clip;
 }
 
+/* ========== 页脚 ========== */
+.pc-footer {
+  flex-shrink: 0;
+  padding: 16px 24px;
+  background: #fff;
+  border-top: 1px solid #eef1f5;
+}
+
+.pc-footer-inner {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+  max-width: 1280px;
+  margin: 0 auto;
+  color: #8b9cb5;
+  font-size: 12px;
+  line-height: 1.6;
+}
+
+.pc-footer-icp {
+  color: #8b9cb5;
+  text-decoration: none;
+  transition: color 0.2s;
+}
+
+.pc-footer-icp:hover {
+  color: #5a6577;
+}
+
+.pc-footer-divider {
+  color: #d8dfe8;
+}
+
+.pc-footer-copyright {
+  color: #8b9cb5;
+}
+
 @media (max-width: 1280px) {
   .pc-realname-badge {
     display: none;